The calculated distance (air line) between Pelabuhan Klang and Bukit Mertajam is approximately 175 miles respectively 282 kilometers.
By car or train, the actual journey to Bukit Mertajam is certainly longer, as only the direct route (as the crow flies) between Pelabuhan Klang and Bukit Mertajam has been calculated here.
Air line (approximately)
282 kilometers
152 nautical miles